Southco Inc C3-1810 Side-Mount Grabber Catch 10 Lbs. Pull Force, Southco Grabber Catches Mounts inside your enclosure. Uses same keeper as above. Three different pull up forces. Installs either right side or left side by inverting. Use #4 screws or .125 rivets to install. Grabber catch has microswitch option to be used as a mechanical grabber catch with an electric switch. Switch is designed to operate an indicator light or form part of a non-safety related logic circuit.